<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
	<!-- 轮播图区域 -->
	<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		<swiper-item v-for="(item,i) in goods_info.pics" :key='i'>
			<image :src="item.pics_big" @click="preview(i)"></image>
		</swiper-item>
	</swiper>
	
	<!-- 商品信息区域 -->
	<view class="goods-info-box">
		<!-- 商品价格 -->
		<view class="price">¥{{goods_info.goods_price}}</view>
		<!-- 商品信息主体区域 -->
		<view class="goods-info-body">
			<!-- 商品的名字 -->
			<view class="goods-name">{{goods_info.goods_name}}</view>
			<!-- 收藏区域 -->
			<view class="favi">
				<uni-icons type="star" size="18" color='gray'></uni-icons>
				<text>收藏</text>
			</view>
		</view>
		<!-- 运费区域 -->
		<view class="yf">快递: 免运费</view>
	</view>
	<!-- 商品详情信息 -->
	<rich-text :nodes="goods_info.goods_introduce"></rich-text>

	<!-- 商品导航组件 -->
	<view class="goods_nav">
	  <!-- fill 控制右侧按钮的样式 -->
	  <!-- options 左侧按钮的配置项 -->
	  <!-- buttonGroup 右侧按钮的配置项 -->
	  <!-- click 左侧按钮的点击事件处理函数 -->
	  <!-- buttonClick 右侧按钮的点击事件处理函数 -->
	  <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
	</view>

	</view>
</template>

<script>
	export default {
		data() {
			return {
				 goods_info:{},
				 options: [{
				      icon: 'shop',
				      text: '店铺'
				    }, {
				      icon: 'cart',
				      text: '购物车',
				      info: 2
				    }],
				 // 右侧按钮组的配置对象
				    buttonGroup: [{
				        text: '加入购物车',
				        backgroundColor: '#ff0000',
				        color: '#fff'
				      },
				      {
				        text: '立即购买',
				        backgroundColor: '#ffa200',
				        color: '#fff'
				      }
				    ]	
			};
		},
		onLoad(option) {
			// 获取商品id
			const goods_id = option.goods_id
			// 调用请求商品详情数据的方法
			this.getGoodsDetail(goods_id)
		},
		methods:{
		async	getGoodsDetail(id){
				const {data : res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id:id})
				
				if(res.meta.status !== 200) return uni.$showMsg()
				
				res.message.goods_introduce =res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
				
				this.goods_info = res.message
			},
			// 点击轮播图预览大图
			preview(i){
				//调用小程序内置的方法预览图片
				uni.previewImage({
					// 预览时,默认显示图片的索引
					current:i,
					// 所有图片 url 地址的数组
					
					 urls: this.goods_info.pics.map(x => x.pics_big)
				})
			},
			//点击购物车跳转到购物车页面的功能
			onClick(e){
				if(e.content.text === '购物车'){
					// 切换到购物车页面
					uni.switchTab({
					  url: '/pages/cart/cart'
					})
				}
			}
			
		},
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0;
	.price{
		color: #C00000;
		font-size: 18px;
		margin: 10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			width: 120px; 
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}	
	}
	.yf{
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
}
.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
